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SpyIntel [72]
3 years ago
8

Write an equation for the nth term of the geometric sequence 2, 8, 32, 128,

Mathematics
1 answer:
AveGali [126]3 years ago
4 0
2^(1+2n)

2^(1+0) = 2
2^(1+2) = 2^3 = 8
2^(1+4) = 2^5 = 32
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write each of the following products in standard polynomial form. (a) (x+3)(x-2)(x-8) (b) (x+2)(x-2)(x+3)(x-3)
Annette [7]

Answer: A)x²+x-6   B) 2x²-13

Step-by-step explanation: A) (x+3)(x-2)(x-8) = x²-2x+3x-6 = x²+x-6

B) (x+2)(x-2)(x+3)(x-3) =→ x²-2x+2x-4 = x²-4

→x²-3x+3x-9 = x²-9

∴x²-4+x²-9 = <u><em>2x²-13</em></u>

5 0
3 years ago
A police car drives 108km in 1 1/2 hours what is its average speed in kilometers per hour.
zhuklara [117]

ANSWER

72km/h

EXPLANATION

The average speed of the car can be calculated using the formula:

Average Speed=total distance/ total time taken.

The car covers a distance of 108km in 1½ hours.

We substitute the values into the formula to obtain,

Average  \:  \: Speed= \frac{108}{1.5}

Average  \:  \: Speed=72 {kmh}^{ - 1}

Therefore the average speed of the journey is 72km/h

7 0
3 years ago
Drag each tile to the correct box.
Gwar [14]

Step-by-step explanation:

6x - 15 = 75, 6x = 90, x = 15.

2(2x - 1) = 46, 2x - 1 = 23, x = 12.

x + (x - 10) = 26, 2x = 36, x = 18.

5x - 3x = 10, 2x = 10, x = 5.

Hence the equations

in increasing order of x-values are:

5x - 3x = 10,

2(2x - 1) = 46,

6x - 15 = 75, and

x + (x - 10) = 26.

3 0
3 years ago
Using the triangle below, set up and solve an equation in order to find the value of x.
Colt1911 [192]

Answer:

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Step-by-step explanation:

answer is 4

have a great day love!

6 0
3 years ago
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Determine whether each number is a solution of the given inequality 2m - 4 &gt; 10
sladkih [1.3K]

Answer:

what this question make NO sence. please elaborate.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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